- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT01769976
Effects of Periodic Fasting Versus Daily Energy Restriction on Metabolic Health (PREFER)
The aim of this study is to examine whether periodic fasting improves markers of diabetes risk and cardiovascular health, and will compare this to the effects observed with daily dieting by energy restriction, and also with no change in energy intake.
It is hypothesized that periodic fasting, with or without weight loss, will be as effective as daily energy restriction to improve markers of metabolic health and energy metabolism.
Studieöversikt
Status
Betingelser
Intervention / Behandling
Studietyp
Inskrivning (Faktisk)
Fas
- Inte tillämpbar
Kontakter och platser
Studieorter
-
-
South Australia
-
Adelaide, South Australia, Australien, 5005
- Royal Adelaide Hospital
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
- Body mass index (BMI) between 25 and 42 kg/m2
- weight stable (<5% fluctuation in body weight for the 6 months prior to study entry)
Exclusion Criteria:
- history of cardiovascular disease, diabetes, major psychiatric disorders, and eating disorders
- use of prescribed or non-prescribed medications with may affect energy metabolism, gastrointestinal function, body weight, or appetite
- recent weight changes in 3 months prior to study entry
- uncontrolled asthma, current fever, upper respiratory infections
- individuals who regularly perform high intensity exercise (>2 sessions per week)
- pregnancy, lactation (breast feeding), women who are planning to become pregnant
- current intake of >140g of alcohol per week
- current smoker of cigarettes/cigars/marijuana
- current intake of any illicit substance
- experience claustrophobia in confined spaces
- has donated blood within the past 3 months
- unable to comprehend the study protocol
- experiences migraines
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Grundläggande vetenskap
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
|---|---|
|
Experimentell: Daily energy restriction
25% reduction in daily energy intake
|
|
|
Aktiv komparator: Energy balance diet
Diet provides 100% of energy requirements and is designed to achieve weight stability
|
|
|
Experimentell: Periodic fasting with weight loss
Fast 3 days per week, and consume 1.5 times usual amount of food on other days
|
|
|
Experimentell: Periodic fasting without weight loss
Fast 3 days per week, and consume double usual amount of food on other days
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
Insulin sensitivity
Tidsram: 8 weeks
|
assessed by hyperinsulinemic euglycemic clamp
|
8 weeks
|
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
Plasma hormones and adipokines
Tidsram: 8 weeks
|
8 weeks
|
|
|
Cognitive function, hunger, and mood
Tidsram: 8 weeks
|
8 weeks
|
|
|
Oxidative stress, stress resistance, and lipid metabolism
Tidsram: 8 weeks
|
8 weeks
|
|
|
Energy expenditure
Tidsram: 8 weeks
|
resting energy expenditure, and total daily energy expenditure
|
8 weeks
|
Samarbetspartners och utredare
Sponsor
Utredare
- Huvudutredare: Leonie Heilbronn, University of Adelaide
Publikationer och användbara länkar
Allmänna publikationer
- Allaf M, Elghazaly H, Mohamed OG, Fareen MFK, Zaman S, Salmasi AM, Tsilidis K, Dehghan A. Intermittent fasting for the prevention of cardiovascular disease. Cochrane Database Syst Rev. 2021 Jan 29;1(1):CD013496. doi: 10.1002/14651858.CD013496.pub2.
- Chen M, Liu B, Wilkinson D, Hutchison AT, Thompson CH, Wittert GA, Heilbronn LK. Selenoprotein P is elevated in individuals with obesity, but is not independently associated with insulin resistance. Obes Res Clin Pract. 2017 Mar-Apr;11(2):227-232. doi: 10.1016/j.orcp.2016.07.004. Epub 2016 Aug 11.
- Hutchison AT, Liu B, Wood RE, Vincent AD, Thompson CH, O'Callaghan NJ, Wittert GA, Heilbronn LK. Effects of Intermittent Versus Continuous Energy Intakes on Insulin Sensitivity and Metabolic Risk in Women with Overweight. Obesity (Silver Spring). 2019 Jan;27(1):50-58. doi: 10.1002/oby.22345.
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- APP1023401
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